| Description & Applications | • 8V Input PWM Step-up DC/DC Converter • Supply Current (IDD1)Typ. 35μA (R1210N301, 100kHz), Typ. 60μA (R1210N301, 180kHz) (Switching) Typ. 20μA (R1210N302, 100kHz), Typ. 25μA (R1210N302, 180kHz) • Supply Current (IDD2)Typ. 10μA (No switching, 100kHz) Typ. 15μA (Same as above, 180kHz) • Standby Current (Istandby) Max. 0.5μA (CE="L") • Input Voltage Range (VIN) Max. 8.0V • Start-up Voltage (Vstart) Max. 0.9V (xx1 Version), 0.8V(xx2 Version) • Output Voltage Range (VOUT) 2.2V to 6.0V (Internally fixed) (2.2V to 3.5V for xx1A) • Output Voltage Accuracy ± 2.5% • Oscillator Frequency (fosc) 100kHz (xx1A/xx1C/xx2C Version), 180kHz (xx1D/xx2D Version) • Basic Frequency Change-over Circuit 100kHz → 35kHz (only xx1A Version) • Oscillator Maximum Duty Cycle (Maxduty) Min. 70%, Typ. 85% • Efficiency Typ. 88% (R1210N301, VIN=1.8V, IOUT=10mA) • Package SOT-23-5 |